2001223230 has 16 divisors (see below), whose sum is σ = 4802935824. Its totient is φ = 533659520.

The previous prime is 2001223229. The next prime is 2001223267. The reversal of 2001223230 is 323221002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33353691 + ... + 33353750.

It is an arithmetic number, because the mean of its divisors is an integer number (300183489).

Almost surely, 2^2001223230 is an apocalyptic number.

2001223230 is an abundant number, since it is smaller than the sum of its proper divisors (2801712594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001223230 is a wasteful number, since it uses less digits than its factorization.

2001223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66707451.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2001223230 is about 44735.0335866645. The cubic root of 2001223230 is about 1260.1778597500.

Adding to 2001223230 its reverse (323221002), we get a palindrome (2324444232).

The spelling of 2001223230 in words is "two billion, one million, two hundred twenty-three thousand, two hundred thirty".